Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

KCW RE-303S-H Epoxy Resin

KCW RE-303S-H Epoxy Resin is a high-performance, low-viscosity liquid epoxy resin from KCW’s RE-Series, designed for demanding composite applications including wind blade manufacturing and aerospace tooling. It offers excellent mechanical strength, thermal stability, and compatibility with standard hardeners—enabling precise fiber impregnation and superior interlaminar adhesion.
  • kcw re 303s h epoxy resin_c2aae317
  • kcw re 303s h epoxy resin_c2aae317

Features Of KCW RE-303S-H Epoxy Resin

  1. High-performance bisphenol-A based liquid epoxy resin with excellent chemical resistance and thermal stability.

  2. Low viscosity (12,000–14,000 cP at 25°C) enabling easy handling, mixing, and impregnation in demanding processing conditions.

  3. Optimized for high-gloss, low-yellowing cured films—ideal for premium surface coatings and decorative laminates.

  4. Compatible with standard amine and anhydride curing agents, supporting flexible formulation design for diverse end uses.

  5. Consistent batch-to-batch quality certified under ISO 9001-compliant manufacturing controls.

Typical Applications Of KCW RE-303S-H Epoxy Resin

  1. Electrical insulation systems for transformers, reactors, and high-voltage castings.

  2. Premium-grade protective coatings for metal substrates in marine and industrial environments.

  3. Structural adhesives requiring high peel strength and environmental durability.

  4. Decorative and functional laminates for countertops, signage, and architectural panels.

  5. Matrix resin for fiber-reinforced composites in aerospace and transportation components.

Specifications Of KCW RE-303S-H Epoxy Resin

Chemical TypeBisphenol-A epoxy resin
Product FormLiquid
AppearanceClear to pale yellow viscous liquid
Epoxy Equivalent Weight (EEW)185–195 g/eq
Viscosity (25°C)12,000–14,000 cP
Chloride Content≤ 700 ppm
Volatiles (105°C, 2 hrs)≤ 0.3 wt%
Storage Stability≥ 12 months at 20–25°C in sealed containers


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